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K&N Filter Element - any issues with oil?
Posted: Tue Apr 11, 2017 12:26 am
by Rodney007
Just ordered a K&N Filter Element (high flow) and the packing case
has quite alot of the anti-dust grease residue inside it.
I have heard of issues with these oils causing MAF or air sensors being gunked up.
Has anyone got any suggestions, experience or words of wisdom before I put it it? or should I just go for a factory element instead?
Cheers,
Re: K&N Filter Element - any issues with oil?
Posted: Tue Apr 11, 2017 6:31 am
by Brooner
I can't comment on the K&N set up but I ran a MRC filter for most of the 6 years I owned my B7 with no issues at all
Re: K&N Filter Element - any issues with oil?
Posted: Tue Apr 11, 2017 9:00 am
by Rodney007
Was it a pre oiled filter?
Re: K&N Filter Element - any issues with oil?
Posted: Tue Apr 11, 2017 9:23 am
by Brooner
i Believe so its exactly the same as an IGT filter
Re: K&N Filter Element - any issues with oil?
Posted: Tue Apr 11, 2017 9:28 am
by Brooner
Just had a look at IGT website they don't mention if there oil filled but when you click on the cleaning video it shows them re oiling the filter so it would look like the IGT and MRC filters ar pre oiled
Re: K&N Filter Element - any issues with oil?
Posted: Wed Apr 12, 2017 5:21 am
by Rodney007
Heres what I did:
1) Use K&N cleaner kit and washed / dried the new filter element
2) Lightly sprayed only the outer side with K&N oil spray
3) Cleaned the airbox and lubricated airbox flap so it returned easily on its own (was bit stiff before)
Lets see how it goes over time.
Re: K&N Filter Element - any issues with oil?
Posted: Sun Jul 16, 2017 6:54 pm
by TommyC
Rodney007 wrote: ↑Wed Apr 12, 2017 5:21 am
Heres what I did:
1) Use K&N cleaner kit and washed / dried the new filter element
2) Lightly sprayed only the outer side with K&N oil spray
3) Cleaned the airbox and lubricated airbox flap so it returned easily on its own (was bit stiff before)
Lets see how it goes over time.
How did this turn out, any issues? Just ordered one for mine.
Re: K&N Filter Element - any issues with oil?
Posted: Wed Jul 19, 2017 11:11 am
by Rodney007
No issues at all, running fine

Re: K&N Filter Element - any issues with oil?
Posted: Wed Jul 19, 2017 4:04 pm
by TommyC
Rodney007 wrote: ↑Wed Jul 19, 2017 11:11 am
No issues at all, running fine
Great stuff. Cheers for the update bud
Re: K&N Filter Element - any issues with oil?
Posted: Thu Jul 20, 2017 9:41 am
by rickster147
Leave it outside for a couple of days to dry out obviously somewhere dry
Re: K&N Filter Element - any issues with oil?
Posted: Fri Jul 21, 2017 9:08 am
by Brooner
or just buy a new one
Re: K&N Filter Element - any issues with oil?
Posted: Fri Jul 21, 2017 9:26 am
by TommyC
Brooner wrote: ↑Fri Jul 21, 2017 9:08 am
or just buy a new one
This is the issue, the K&N filters come over oiled from factory, which in turn can effect the MAF sensor. So before installing i am cleaning my new one a couple of times and only adding a light coat of oil when its fully dry as suggested above.